<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title></title>
		<link rel="stylesheet" href="波动球.css" />
	</head>
	<body>
	<div id="outLayer">
		<div class="blackball"></div>
		<div class="redball"></div>
	</div>	
	</body>
</html>
